Gérald Genta, Genève,"Night and Day", Ref. G 3707. Produced in the 1990s. Fine, center-seconds, self-winding, two-time zone, stainless steel gentleman's wristwatch with 40 hours autonomy, night and day indication, date and a stainless steel Gérald Genta buckle.

C. Three-body, polished, case back with 6 screws, ridged band, rounded bezel, pusher at 9 to set the hand of the second time zone, straight lugs, sapphire crystal. D. Guilloché, lacquered dark blue, with luminous steel indexes on a plain reserve, aperture for the night and day indication symbolized by the sun, moon and stars,"cyclops" aperture for the date. Luminous blued steel "epée" hands, red hand for the second time zone. M. Cal. 1961, rhodium-plated, 22 jewels, straight line lever escapemet, monometallic balance, shock-absorber, self-compensating flat balance-spring. Dial, case and movement signed. Diam. 38 mm.

Gérald Genta,"Retro Sport", Ref. RSP. L. 10. Produced in the 1990s. Fine, jump hour, center-seconds, self-winding, water-resistant, stainless steel gentleman's wristwatch with retrograde minutes and a stainless steel Gérald Genta buckle. Accompanied by a fitted box and certificate.

C. Three-body, polished, case back with 6 screws, reeded band, rounded black rubber bezel, straight lugs, screwed bars, sapphire crystal. D. Black with lumious painted Arabic numerals, in the center "Clous-de-Paris" decoration, at the bottom sector for the retrograde minutes, aperture for the jump hour at 12. Luminous white "epée" hand. M. Cal. GA 4700 / ETA 2892, rhodium-plated, 27 jewels, straight line lever escapement, monometallic balance, self-compensating flat balance-spring, hack mechanim.Dial, case and movement signed.Diam. 36 mm.

Gérald Genta, "Rétro Second", Ref. G 3610. Produced in the 1990s. Fine, self-winding, water-resistant, stainless steel gentleman's wristwatch with retrograde seconds, 40 hours autonomy and a stainless steel Gérald Genta buckle.

C. Three-body, polished, case back with 6 screws, concave band, rounded bezel, straight lugs, screwed bars, domed sapphire crystal. D. Black with applied steel Arabic numerals and indexes, sector for the retrograde seconds at 6. Luminous steel "epée" hands. M. Cal. 9960, rhodium-plated,?fausses côtes? decoration, 30 jewels, straight line lever escapement, monometallic balance, self-compensating flat balance-spring.Dial, case and movement signed.Diam. 36 mm.

Jaeger-LeCoultre,"Master Control 1000 Hours, Automatic, Reserve de Marche", Ref. 140.2.93. S. Produced in the late 1990s. Very fine, self-winding, water-resistant to 5 atm, 18K pink gold gentleman's wristwatch with date, 45-hour power reserve and an 18K pink gold Jaeger-LeCoultre deployant clasp. Accompanied by a fitted box and certificate.

C. Two-body, solid, polished, transparent case back with 4 screws, concave lugs, sapphire crystals. D. Black with applied pink gold Arabic numerals and dart indexes, sunk guilloché subsidiary dials for the seconds and the days of the month, up-and-down indicator at 10. Tritium-coated pink gold "dauphine" hands. M. Cal. 928/2, rhodium-plated,"fausses côtes" decoration, 45 jewels, straight line lever escapement, monometallic balance adjusted to 5 positions, shock-absorber, self-compensating flatalance-spring, micrometer regulator.Dial, case and movement signed.Diam. 37 mm.

Jaeger-LeCoultre,"Master Control 1000 Hours, Memovox", Ref. 144.2.94 S. Produced in the late 1990s. Very fine, center-seconds, water-resistant, 18K pink gold gentleman's wristwatch with mechanical alarm, two crowns and an 18K pink gold Jaeger-LeCoultre deployant clasp. Accompanied by a fitted box and certificate.

C. Two-body, solid, polished, transparent case back with 4 screws, concave and curved lugs, alarm winding-crown at 2, time-setting and winding-crown at 4, sapphire crystals. D. Black with applied pink gold Arabic numerals and dart indexes, inner revolving disc for the alarm feature. Tritium-coated pink gold "dauphine" hands. M. Cal. 914, rhodium-plated,"fausses côtes" decoration, 18 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensating flat balance-sprig.Dial, case and movement signed.Diam. 36 mm.

Jaeger-LeCoultre,"Master Control 1000 Hours, Géographique", Ref. 142.3.92. Produced in the late 1990s. Very fine,"World Time", center-seconds, self-winding, water-resistant, 18K white gold gentleman's wristwatch with date, 40-hour power reserve, indicators for day and night and an 18K white gold Jaeger-LeCoultre deployant clasp.

C. Three-body, solid, polished, concave lugs, hinged cover over transparent case back with 4 screws, a second crown at 10 o'clock for selecting the city of an additional time zone. D. Bicolor anthracite and silver with applied white gold indexes, guilloché subsidiary dials for the second time zone, the days of the month and the power-reserve indicator, aperture for a bi-directional rotating disk with the names of the main cities of the world. White gold "dauphine" hands. M. Cal. 929/3, rhodium-lated,"fausses côtes" decoration, 38 jewels, straight line lever escapement, monometallic balance adjusted to 6 positions, shock-absorber, self-compensating flat balance-spring, micrometer regulator, 22K gold rotor segment.Dial, case and movement signed.Diam. 38 mm.

Gérald Genta, Genève,"Gefica Chronograph Automatic", Ref. G 3684. Produced in the 1990s. Very fine, self-winding, water-resistant, stainless steel gentleman's wristwatch with round button chronograph, registers, tachometer, day and date and a stainless steel Gérald Genta buckle.

C. Three-body, polished, case back with 8 screws, straight lapidated lugs, sapphire crystal. D. Blue with applied luminous round indexes, subsidiary dials for the seconds, the 30-minute and 12-hour registers, aperture for the day and date. Luminous steel "bâton" hands. M. Cal. 7750, rhodium-plated,"oeil-de-perdrix" decoration, 25 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensating flat balance-spring, micrometer regulator.Dial, case and movement signed.Diam. 39 mm.

Blancpain,"Automatic, Split-Seconds Chronograph". Produced in the 1990s. Fine and rare, self-winding, water-resistant, 18K white gold gentleman's wristwatch with round button split-seconds chronograph, registers date and an 18K yellow gold Blancpain buckle.

C. Three-body, solid, polished, stepped bezel, sapphire crystal. D. Black with luminous Arabic numerals, subsidiary dials for the seconds, the 12-hour and 30-minute registers, aperture for the date at 6. Luminous white "bâton" hands. M. Cal. 1186, rhodium-plated,"fausses côtes" decoration, 38 jewels, straight line lever escapement, monometallic balance adjusted to 5 positions, shock-absorber, self-compensating flat balance-spring.Dial, case and movement signed.Diam. 40 mm.

Audemars Piguet, Genève,"Jules Audemars", Automatic, case No. E 23222, Ref. 25859B@C. Produced circa 2000. Fine, self-winding, water-resistant, 18K white gold gentleman's wristwatch with round button chronograph, registers and an 18K white gold Audemars Piguet deployant clasp.

C. Three-body, solid, polished and brushed, case back with 5 screws, rounded bezel, straight lugs, sapphire crystal. D. Navy blue with applied white gold Arabic numerals and dart indexes, subsidiary seconds and 30-minute register guilloché dials, outer ring for the 1/5th seconds graduation. White gold "bâton" hands.M. Cal. 2226/2841, rhodium-plated,"fausses côtes" decoration, 19 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensating flat balance-spring.Dial, case and movement signed.Diam. 39 mm.

Vacheron & Constantin, Genève, No. 459608, case No. 296933. Produced in the 1940s. Fine and rare, center-seconds, 18K pink gold gentleman's wristwatch.

C. Two-body, solid, polished, teardrop lugs. D. White with applied pink gold oval indexes and Arabic numerals. Pink gold "bâton" hands. M. Cal. V 454, rhodium-plated,"fausses côtes" decoration, 17 jewels, straight line lever escapement, monometallic balance adjusted to temperatures, shock-absorber, self-compensating Breguet balance-spring,?swan-neck? micrometer regulator.Dial, case and movement signed.Diam. 34 mm.

Patek Philippe, Genève,"Annual Calendar", No. 3130605, case No. 4060122, Ref. 5035. Production of this reference started in 1996. Produce in a limited edition of 100 examples to commemorate the 100th Anniversary of the "Milan A.C." Very fine, center-seconds, self-winding, water-resistant, 18K pink gold gentleman's wristwatch with semi-instantaneous annual calendar mechanism and an 18K pink gold Patek Philippe buckle. Accompanied by a fitted box and certificate.

C. Two-body, solid, polished, screwed-down transparent case back, concave lugs, sapphire crystals. D. Matte silver with applied pink gold dart indexes and luminous dots, subsidiary dials for the days of the week and the 24 hours, the months, aperture for the date at 6. Luminous pink gold "feuille" hands. M. Cal. 315/198, stamped with the Geneva Quality Hallmark, rhodium-plated,"fausses côtes" decoration, 35 jewels, straight line lever escapement, Gyromax balance, shock-absorber, self-compensatig free-sprung flat balance-spring, 21K gold rotor.Dial and movement signed.Diam. 37 mm.Etched into the transparent case back:"Milan A.C.- 1899 - 1999".

Ls. Gallopin & Cie, Successors de Henri Capt, Genève. Produced circa 1890. Very fine and very rare, miniature, keyless, minute-repeating, 18K gold pendant watch.

C. Four-body,?bassine?, solid, polished, gold hinged cuvette. D. White enamel with Arabic numerals, outer minute divisions, subsidiary sunk seconds dial. Gold ?spade? hands. M. Cal. 22.5 mm.,(10???), maillechort,?fausses côtes? decoration, 31 jewels, straight line calibrated lever escapement, cut-bimetallic compensation balance, Breguet balance spring, repeating on gongs by activating slide on the band.Dial, case and movement signed.Diam. 28 mm.

S. Smith & Son, Makers to the Admiralty and the Indian Government, Trafalgar Square, London, No. 304-1, hallmarked 1882-83. Exceptional and highly important, massive, oversized, astronomical, minute-repeating, 18K gold Grande et Petite Sonnerie clockwatch with retrograde perpetual calendar, fly-back date hand, moon phases and triple-overcoiled balance spring.

C. By master casemaker Harrison Mill Frodsham, four-body,?pommes?, solid, polished, five-bar hinges, gold hinged cuvette, olive setting flange, lever for switching from Grande to Petite Sonnerie at 2, similar one for striking/silence on the opposite side at 8. D. Probably by master dial maker Willis, off-white with bold radial Roman numerals, outer minute divisions, date sector below 12, subsidiary days of the week at 9, months at 3, sunk subsidiary seconds dial concentric with the moon phases.Blued steel ?spade? hands. M. Cal. 58 mm (26???), frosted gilt, 3/4-plate, lateral counterpoised lever escapement with steel escape wheel, divided lift, cut-bimetallic compensation balance, free-sprung triple-overcoiled Breguet balance spring with inner and outer terminal curves, diamond endstone, special mechanism disengaging striking when setting the watch, repeating on gongs through a trip bolt recessed in the band.Dial and movement signed, case hallmarked with London guarantee marks, date letter and casemaker?s marks.Diam. 73 mm, thickness 25 mm.

"Breguet à Versailles", Grand Complication "Tourbillon 1801-2001", No. 24/28, Ref. 1801BB. Produced expressly in a limited edition of 28 examples in 2001 to commemorate the 200th Anniversary of the invention of the tourbillon by Abraham-Louis Breguet. Extremely fine, rare and important, large, hunter case-type, water-resistant, 18K white gold gentleman's wristwatch with visible one-minute tourbillon regulator and an 18K white gold Breguet deployant clasp. Accompanied by a fitted box, tourbillon certificate and a Breguet loupe.

C. Four-body, solid, polished and brushed, hinged hand-guilloché cover with porthole and engraved "Tourbillon" plaque, opened by a co-axial push-button in the winding crown, transparent case back to view the movement, reeded band, straight lugs with gold-screwed bars, sapphire crystals. D. White enamel, off-center dial with painted radial Breguet numerals and marked "1801-2001". Secret Breguet signature,"Breguet" blued steel hands. At 6, the visible tourbillon cage under a polished steel bridgecarrying the blued steel subsidiary seconds hand.M. Cal. 557 entirely hand-engraved and signed "Tourbillon Breguet Nr. 1887. Brevet du 7 Messidor an 9", 21 jewels, lateral lever escapement with one-minute tourbillon regulator with 3 equidistant polished steel arms, monometallic balance adjusted to 6 positions, shock-absorber, self-compensating Breguet balance-spring.Dial, case and movement signed.Diam. 42 mm.

A. Lange & Söhne, Glashütte i. SA., Tourbillon "Pour le Mérite", No. 120/150, Ref. 701.011. Produced in a limited edition of 150 examples in 18K gold in the 1990s, with only 15 produced in 18K pink gold. Production of this reference started in 1994. Extremely fine and very rare, 18K pink gold gentleman's wristwatch with visible one-minute tourbillon regulator, 36 hours power reserve and an 18K pink gold A. Lange & Söhne buckle. Accompanied by a leather fitted box and certificate.

C. Three-body, solid, polished and brushed, curved straight lugs, transparent case back with 6 screws to view the movement, sapphire crystals. D. Black with applied pink gold indexes, subsidiary sunk guilloché silver dials for the seconds and the up-and-down indication, aperture with polished steel bridge to view the tourbillon. Pink gold "alpha" hands. M. Cal. L 902.0-No. 410, Glashütte three-quarter plate, nickel-silver, movement decorated and engraved by hand,"fausses côtes" decoration, 29 jwels including 5 in screw-mounted gold châtons, power equalization with chain and fusée, maintaining power and stepped planetary gearing, tourbillon cage bearing 2 diamond endstones, lateral lever escapement with one-minute tourbillon regulator with polished-steel equidistant three-arm carriage, glucydur balance with screws adjusted to 5 positions, Nivarox balance-spring with overcoil invented by Prof. Strasser, shock-absorber, self-compensating Breguet balance-spring.Dial, case and movement signed.Diam. 38 mm.

A. Lange & Söhne, Glashütte I. SA., Tourbillon "Pour le Mérite", No. 41/150, Ref. 701.001. Produced in a limited edition of 150 pieces in 1996, sold in May 1996. Extremely fine and very rare, 18K yellow gold gentleman's wristwatch with visible one-minute tourbillon regulator, 36-hour power reserve and an 18K yellow gold A. Lange & Söhne bracelet and deployant clasp. Accompanied by a leather fitted box and certificate.

C. Three-body, solid, polished and brushed, curved straight lugs, transparent case back with 6 screws to view the movement, sapphire crystals. D. Matte silver with Arabic numerals, subsidliary sunk guilloché silver dials for the seconds and the up-and-down indication, aperture with polished steel bridge to view the tourbillon cage. Blued steel "alpha" hands. M. Cal. L 902.0, Glashütte three-quarter plate, nickel-silver, movement decorated and engraved by hand,"fausses côtes" decoration, 29 jewes including 5 in screw-mounted gold châtons, power equalization with chain and fusée, maintaining power and stepped planetary gearing, tourbillon cage bearing 2 diamond endstones, lateral lever escapement with one-minute tourbillon regulator with equidistant polished steel three-arm carriage, glucydur balance with screws adjusted to 5 positions, Nivarox balance-spring with overcoil invented by Prof. Strasser, shock-absorber, self-compensating Breguet balance-spring.Dial, case and movement signed.Diam. 38 mm.

A. Lange & Söhne, Glashütte i. SA.,"Lange 1 Tourbillon", No. 64/150, Ref. 704.025. Production of this reference started in 2000, sold in Jan. 2001. Produced in a limited edition of 250 examples in 18K pink gold and 150 in platinum. Extremely fine and rare, platinum gentleman's wristwatch with visible one-minute tourbillon regulator, off-center hour dial, oversized date, power-reserve and a platinum A. Lange & Söhne deployant clasp. Accompanied by a fitted box and certificate.

C. Three-body, solid, polished and brushed, rounded bezel, transparent case back with 6 screws, push button on the band to correct the date, sapphire crystals. D. Satiné solid silver, subsidiary off-center hour dial with applied Roman numerals, painted radial indexes and subsidiary seconds dial at 9, sector for the up-and-down indication at 3, apertures for the oversized date at 1and for the tourbillon regulator under a polished steel bridge at 5. White gold "alpha" blued steel hands. M. Cal. L9611, Glashütte three-quarter plate, nickel silver,"fausses côtes" decoration, 49 jewels including 7 in screw-mounted gold châtons, 2 diamond endstones in screw-mounted gold châtons, lateral lever escapement with one-minute tourbillon regulator, cage with 3 equidistant polished steel arms, monometallic balance adjusted to 5 positions, shock absorber, self-compensating Breguet balance spring, hand-engravedbalance cock.Dial, case and movement signed.Diam. 38 mm.

Vacheron Constantin, Genève,"Tourbillon Malte Squelette". No. 763984, Ref. 30067/1. Produced circa 2000. Extremely rare and fine, tonneau-shaped, skeletonized, water-resistant, 18K yellow gold gentleman's wristwatch with visible one-minute tourbillon regulator, 42-hour power reserve, date and an 18K yellow gold Vacheron Constantin buckle.

C. Three-body, solid, polished, fluted lugs, transparent case back with 7 screws, sapphire crystals. D. Transparent with ring dials for the hours and minutes, the date at 2, the power reserve at 10, the tourbillon cage under a polished steel bridge carrying the subsidiary seconds hand. Faceted black oxydized gold "dauphine" hands. M. Cal. 1790, hand-engraved and skeletonized, copper-colored, 28 jewels, lateral lever escapement with one-minute tourbillon regulator with Maltese Cross-shaped steetourbillon cage, monometallic balance, shock-absorber, self-compensating Breguet balance-spring.Case and movement signed.Dim. 36 X 46 mm.

F. P. Journe,"Invenit et Fecit","Remontoir d'Egalité, Tourbillon Souverain", No. 44/99T. Produced in a limited edition of 99 examples, circa 2000. Very fine and rare, platinum gentleman's chronometer wristwatch with visible one-minute tourbillon regulator and constant force remontoir, 42-hour autonomy and a platinum F. P. Journe buckle.

C. Three-body, solid, polished, transparent case back with 6 screws, winding crown engine-turned with a knurled pattern, sapphire crystals. D. 18K brushed yellow gold, at 3 guilloché matte silver off-center dial with painted Arabic numerals for the hours and minutes, apertures at 6 for the constant-force remontoir and at 9 for the tourbillon with its polished steel bridge, up-and-down indication at 11."Journe"-style blued steel hands. M. Cal. 1498, rhodium-plated,"fausses côtes" decoration, 25ewels, lateral lever escapement with one-minute tourbillon regulator and ?A?-shaped tourbillon frame, polished steel bridge,"Gyromax"-type balance with 4 timing weights, self-compensating free-sprung Breguet balance-spring. The constant-force remontoir with an 18K gold wheel seeks extreme precision by equalizing the mainspring's varying power-supply. A blade spring, controlled by a spinning vane, is armed once a second by the force of the mainspring, feeding a steady flow of power to the balancefor a more constant rate.Dial, case and movement signed.Diam. 38 mm.

Richard Mille,?Tourbillon RM002?. Production of this reference started in 2001. Very fine, rare and very unusual, tonneau-shaped and curved, titanium gentleman?s wristwatch with visible one-minute tourbillon regulator, torque indicator, power-reserve and a titanium Richard Mille buckle.

C. Three-body, bezel with 8 special milled titanium screws, reinforced case band, transparent case back with 4 special milled titanium screws, rubber-coated winding crown with co-axial pushbutton to select a neutral, winding or hand-setting position, 2 curved and antireflective sapphire crystals. D. Transparent with white Arabic numerals, outer minute divisions with 5-minute luminous dot markers, at 1 sector for the torque indication, at 4 indicator for the winding, neutral and hand-setting postion, at 11 sector for the up-and-down indication, at 6 aperture for the tourbillon regulator under a V-shaped bridge. Titanium ?skeleton? hands with luminous tips. M. Cal. RM 002-4, titanium, 23 jewels, some in gold chatons, lateral lever escapement with one-minute tourbillon regulator, titanium tourbillon cage with 3 equidistant polished arms, monometallic balance with ceramic cap jewel, adjusted to heat, cold and 5 positions, shock-absorber, self-compensating Breguet balance spring.Dial, case and movement signed.Dim. 38 x 45 mm.